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Denton Tap L2R BA-LR010405FUGRO SOUTH, INC. 2880 Virgo Lane; Dallas. Texas 75229 Ph (972) 484-8301; Fax (972) 620-7328 COMPRESSIVE STRENGTH OF CONCRETE REPORT CLIENT: Preston Engineering Report Date: April 5, 2001 PROJECT: Everybody Fits, Coppell, Texas Project No.: 0701-2035 DATE: March 7, 2001 SAMPLE CONTRACTOR: Preston Engineering TICKET NO.: 94428 CONCRETE SUPPLIER: Nelson Brothers AMBIENT TEMP. (°F): 68 PLANT/TRUCK: 1/203 CONCRETE TEMP. (°F) (ASTM C-1064): 75 MIX ID NUMBER: 5 sack TIME BATCHED: 10:15 AIR (%) (ASTM C-231): TIME SAMPLED: 11:20 WATER ADDED (gal): 10 WEATHER CONDITION: Sunny/fair SLUMP (in.) (ASTM C-143): 4.50 LOCATION OF PLACEMENT: Grade beam south entry extension CONCRETE CYLINDER COMPRESSIVE STRENGTH TESTS Standard 6" x 12", 28.27 square inches TOTAL COMPRESSIVE SPECIFIED COMPRESSIVE CYLINDER AGE DATE LOAD STRENGTH STRENGTH NUMBER (days) TESTED (pounds) (psi) (psi) EFC 17 7 03/14/01 99800 3530 3600/28 days EFC 18 28 03/04/01 129400 4580 EFC 19 28 03/04/01 132000 4670 EFC 20 Hold Fracture mode is (A} unless otherwise noted Specifications: Making & ASTM 6-31 Test,rig ASTM 6-143. Types°f ~ [7'~ [~---~ Curing: Methods: ASTM C-39 Fracture: A B C D REMARKS: Technician' Jeff Jedlicka FUGRO SOUTH INC. Reviewed By: f I SMH/rm Distribution: Preston Engineering - Timothy D. McMahon. P.E. City of: Coppell - Lee Stone